40 VA / 400 Hz POWER TRANSFORMER
PHYSICAL SPECIFICATIONS
Construction:
Black Epoxy Encapsulated.
Terminals:
Printed circuit pins—tinned brass.
Terminal Strength:
2.0 pounds.
Marking:
Includes Torotel name and part number.
Mechanical Tolerance:
±.010 unless indicated.
Package Style:
* Package Style "P" is shown with the mounting pad.
Without the pad would be style "E". See the part number below.
Weight:
5.2 oz nominal, 5.8 oz maximum.
1
1.65
max.
6
.164-32UNC-2B
X .25 dp. min.
1.65 max.
.040 Dia. ±.002
6 Leads
1.400
1.100
2
3
4
1.100
5
1.400
.030/.020
.25/.13
1.25
max.
MECHANICAL OUTLINE
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Range:
-55°C to +130°C
(ambient plus temperature rise)
+155ºC available on special order.
Altitude:
70,000 feet, maximum.
ELECTRICAL SPECIFICATIONS
Primary voltage:
115 volts rms ±10%.
Frequency:
400 Hz ±5%.
Secondary Voltage:
See Table I. Secondary Voltage Tolerance: ±3%
at full load and 115 volts, 400 Hz applied to primary.
Electrostatic Shielding (Schematics S and Y):
5 to 1 minimum
voltage ratio at 20 KHz.
Phase Shift:
1.0 electrical degree between primary and secondary
voltage at rated load, maximum.
Insulation Resistance:
10,000 megohms minimum at 500 VDC.
Dielectric Strength:
At sea level—2.8 times the maximum working
voltage. At reduced barometric pressure—1.25 times the maximum
working voltage.
Exciting Current:
35 ma max.
Efficiency:
88% minimum.
Regulation:
7 % maximum.
2
5
2
5
6
Schematic X
1
3
Schematic Y
1
3
2
4
2
4
5
Schematic T
1
3
4
1
Schematic S
3
4
Table I Industry Standard Secondary Voltages
Secondary Voltage
Maximum Working Voltage
Secondary Voltage
Maximum Working Voltage
5
325
36
325
5.5
325
39
325
6
325
43
325
6.3
325
47
325
7
325
51
325
7.5
325
56
325
8
325
62
325
9
325
68
325
10
325
75
325
11
325
82
325
12
325
91
325
12.6
325
100
325
13
325
110
325
15
325
115
325
16
325
120
325
18
325
130
325
20
325
150
325
22
325
180
325
24
325
200
440
26
325
220
440
28
325
240
440
30
325
270
580
33
325
300
580
PART NUMBER EXAMPLE (C40ET26)
C 40 E T 26
V.A. Rating
Package Style *
Secondary Voltage (see Table I)
Schematic
13402 South 71 Highway Grandview, M0 64030
Phone: (816) 761-6314 Fax: (816) 763-2278
E-Mail: torotel@sound.net
